descreen definition: Verb (third-person singular simple present descreens, present participle descreening, simple past and past participle descreened) 1. to remove MoirÃ©-pattern artifacts when scanning half-toned printed imagesThis software option is...
Sunlight Photosynthesis: 6CO 2 + H 2 6 H 12 O 6 + 6O 2 In the above reaction, sunlight supplies the energy to convert carbon dioxide and water to glucose and oxygen.Hydrothermal vents, which are hot springs on the sea floor, support exotic chemical-based ecosys-tems.
Hydrothermal vents are cracks in the ocean floor that emit jets of hot water loaded with minerals and bacteria. The vents range in diameter from less than an inch to mare than six feet. They are usually found at least a mile deep long the mid-ocean ridges. So far, several dozen vent fields have been discovered.